BME680 with ESPHome: Gas Resistance, IAQ and Reliable Indoor-Air Monitoring
Tipping-Bucket Rain Gauge with ESP32, ESPHome and Home Assistant
Build an ESP32 tipping-bucket rain gauge with ESPHome and Home Assistant: reed-switch wiring, debouncing, millimetres-per-tip calibration, daily rainfall, rain rate and reboot-safe totals.
TCA9548A I2C Multiplexer with ESP32: Multiple Sensors at the Same Address
ESPHome OTA Update Failed: Safe Mode, Recovery and USB Reflashing
Fix ESPHome OTA update failures: IP and port troubleshooting, 2026.9 encrypted OTA migration, boot loops, Safe Mode, rollback, partition errors and ESP32 USB reflashing.
M5Stack AtomS3 Lite: Pinout, Arduino Setup and ESPHome Projects
M5Stack AtomS3 Lite pinout and setup guide covering GPIOs, RGB LED, button, IR transmitter, Grove port, Arduino IDE, ESPHome, upload recovery and practical Home Assistant projects.
AHT20 with ESP32 and ESPHome: Wiring, Calibration and Home Assistant
Connect an AHT20 temperature and humidity sensor to ESP32 and ESPHome. Covers 0x38 wiring, AHT20 variant setup, calibration offsets, filtering, self-heating, placement, condensation and Home Assistant.
ESP32 Weather Station with ESPHome: Temperature, Rain, Wind and Light
ESPHome Native API vs MQTT: Which Should You Use with Home Assistant?
ESPHome Native API vs MQTT compared for Home Assistant: setup, latency, discovery, encryption, availability, broker dependence, offline behaviour, Bluetooth Proxy, retained messages and when to use each.
Capacitive Soil Moisture Sensor with ESP32, ESPHome and Home Assistant
Use a capacitive soil moisture sensor with ESP32, ESPHome and Home Assistant. Covers wiring, ADC setup, dry/wet calibration, filtering, power switching, corrosion, placement and smart irrigation automation.